The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in Birmingham. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

Backend DeveloperContractor Daily Rate Trend in Birmingham

For the 6 months to 19 November 2018, Backend Developer contract jobs required the following IT skills in order of popularity.
The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Birmingham region featuring Backend Developer in the job title.

Backend Developer Skill SetCo-occurring IT Skills in Birmingham by Category

The follow tables expand on the table above by listing co-occurrences grouped by category.
The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories: